Coffee maker



FIG. 1 is a top, front and left-side perspective view of a coffee maker showing our new design;

FIG. 2 is a left-side elevational view thereof;

FIG. 3 is a right-side elevational view thereof;

FIG. 4 is a front elevational view thereof;

FIG. 5 is a rear elevational view thereof;

FIG. 6 is a top plan view thereof, with the water reservoir lid omitted for convenience of illustration;

FIG. 7 is a bottom plan view thereof;

FIG. 8 is a partial perspective view, similar to FIG. 1, with the water reservoir lid in open position; and

FIG. 9 is a partial perspective view similar to FIG. 1 with the water reservoir lid omitted for convenience of illustration. 

The ornamental design for a coffee maker, as shown and described. 